Isomerism Isomerism is a phenomenon shown by two or more organic compounds having the same molecular formula but different properties due to difference in arrangement of atoms along the carbon skeleton (structural isomerism) or in space (Stereo isomerism) Structural isomerism 1. Chain isomerism: These isomers arise because of the possibility of branching in carbon chains. Read more about Isomerism[…]
What is ICAR? The Indian Council of Agricultural Research (ICAR) is an autonomous organization under the Department of Agricultural Research and Education (DARE), Ministry of Agriculture and Farmers Welfare, Government of India. Formerly known as Imperial Council of Agricultural Research, it was established on 16 July 1929 as a registered society under the Societies Registration Read more about ICAR Dates Released[…]
Q1: Imagine you’re in a room that is filling with water. There are no windows or doors. How do you get out? Answer: Stop imagining. Q2: The more you take, the more you leave behind. What are they? Answer: Footprints. Q3: What two keys can’t open any door? Answer: A monkey and a donkey. Q4: Jimmy’s mother had four children. She named Read more about Riddle 2[…]
Let X’OX, Y’OY and Z’OZ be three mutually perpendicular lines intersecting at O such that two of them viz. Y’OY and Z’OZ lie in the plane of the paper and the third X’OX is perpendicular to the plane of the paper and is projecting out from the plane of the paper (see Fig shown below.). Read more about Co – ordinates of point in space[…]
Puzzle 1: What are the next two letters in the following series and why? W A T N T L I T F S _ _ Solution: The letters are the first letters of the words in the question. Thus, the next two letters are A and W. Puzzle 2: Solve it? 2 + 3 = 8, 3 Read more about Riddles 1 [With Answers][…]
The quantity work has to do with a force causing a displacement. Work has nothing to do with the amount of time that this force acts to cause the displacement. Sometimes, the work is done very quickly and other times the work is done rather slowly. For example, a rock climber takes an abnormally long time to Read more about Power[…]
Puzzle 1: Which number replaces the question mark?Answer: 24 Explanation: Working clockwise around the diagram, add the first two numbers together and subtract 3 to give the next number along. Puzzle 2: Which number replaces the question mark?Answer: 24 Explanation: In each circle, the number in the lower segment equals twice the difference between the numbers in the left and right Read more about Number Puzzles 1 [With Answers][…]
Resonance Effect: Resonance effect is defined as the ‘polarity produced in the molecule by the interaction of two πbonds or between a πbond and lone pair of electrons present on an adjacent atom’. It is designated as R or M effect. Now, a resonance effect can be either positive or negative. Look below positive and Read more about Fundamental Concepts of Inorganic Reaction Mechanisms III[…]
Puzzle 1: Which number replaces the question mark?Puzzle 2: Which number replaces the question mark?Puzzle 3: Which number replaces the question mark?Puzzle 4: Which number replaces the question mark?Puzzle 5: Which number replaces the question mark? Share Tweet View Email Print Follow
The maximum permissible speed of a car on a banked rough road can be obtained as under.Ncosθ = mg + fsinθ Nsinθ + fcosθ = mv²/R If v = vmax then, f = fmax = μsN On substituting then simplifying we get . EXAMPLE 1:- A small block of mass m is moving over a Read more about Motion of a Car on Banked Road[…]